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Marquise|Lab Grown|IGI

1.51ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG815626977

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815626977

Diamond specifications and retailer prices

From €382 EUR
$428 USD
As of October 27, 2026
Save €3,006 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,388 EUR at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815626977 or 815626977. Listed at 15 retailers as of October 27, 2026, with prices from €382 to €3,388, a €3,006 spread on the same certified stone. Do Amore Diamonds lists it at €3,388. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815626977
Dimensions12.16 × 5.88 × 3.65 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.16 mm5.88 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815626977
Side View
Table 62.0%Crown 34.5°Girdle: Slightly ThickPavilion 39.8°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €3,388 EUR|Low: €382 EUR|High: €5,109 EUR|Avg: €1,701 EUR|-33.7%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 16€382 EUR
Retailer 11€427 EUR
Retailer 15€447 EUR
Retailer 9€566 EUR
Retailer 5€614 EUR
Retailer 4€637 EUR
Retailer 2€775 EUR
Retailer 14€1,212 EUR
Retailer 12€1,226 EUR
Retailer 7€1,400 EUR
Retailer 13€1,679 EUR
Retailer 6€1,825 EUR
Retailer 10€1,922 EUR
Retailer 3€1,993 EUR
Retailer 8€2,648 EUR
Do Amore Diamonds€3,388 EUR

31 data points across 16 retailers

15 retailers€382 EUR to €3,388 EUR

A
Cheapest Retailer
-
€382 EUR
$428 USD
Retailer 2
-
€427 EUR
$479 USD
View
Price last confirmed 9 days ago
Retailer 3
-
€566 EUR
$635 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
€614 EUR
$689 USD
View
A
Retailer 5
-
€637 EUR
$714 USD
View
A
Retailer 6
-
€775 EUR
View
A
Retailer 7
-
€1,212 EUR
$1,359 USD
View
Retailer 8
-
€1,226 EUR
A$2,115 AUD
View
Price last confirmed 13 days ago
A
Retailer 9
-
€1,400 EUR
$1,571 USD
View
Retailer 10
-
€1,679 EUR
$1,883 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
€1,825 EUR
$2,047 USD
View
Retailer 12
-
€1,922 EUR
£1,697 GBP
View
Price last confirmed 7 days ago
B+
Retailer 13
-
€1,993 EUR
$2,235 USD
View
B
Retailer 14
-
€2,648 EUR
$2,970 USD
View
Most Expensive
B
Do Amore Diamonds
27-C656D2C57 · Oct 28
€3,388 EUR
$3,800 USD
View
14 more retailers have this diamond
Prices start from €382 EURSave up to €3,006 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Marquise
€382 EUR